The equation of the line bisecting the line segment joining the points (a, b) and \[({a}',\ {b}')\]at right angle, is

\[(a-{a}')x+(b-{b}')y={{a}^{2}}+{{b}^{2}}-{{{a}'}^{2}}-{{{b}'}^{2}}\]

\[2(a-{a}')x+2(b-{b}')y={{a}^{2}}+{{b}^{2}}-{{{a}'}^{2}}-{{{b}'}^{2}}\]

\[2(a-{a}')x+2(b-{b}')y={{{a}'}^{2}}+b{{'}^{2}}-{{a}^{2}}-{{b}^{2}}\]

The equation of the line bisecting the line segment joining the points

1.	The equation of the line bisecting the line segment joining the points (a, b) and \[({a}',\ {b}')\]at right angle, is
A.	\[2(a-{a}')x+2(b-{b}')y={{a}^{2}}+{{b}^{2}}-{{{a}'}^{2}}-{{{b}'}^{2}}\]
B.	\[(a-{a}')x+(b-{b}')y={{a}^{2}}+{{b}^{2}}-{{{a}'}^{2}}-{{{b}'}^{2}}\]
C.	\[2(a-{a}')x+2(b-{b}')y={{{a}'}^{2}}+b{{'}^{2}}-{{a}^{2}}-{{b}^{2}}\]
D.	None of these
Answer» B. \[(a-{a}')x+(b-{b}')y={{a}^{2}}+{{b}^{2}}-{{{a}'}^{2}}-{{{b}'}^{2}}\]

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The equation of the line bisecting the line segment joining the points (a, b) and \[({a}',\ {b}')\]at right angle, is

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